Book excerpt: Six doors can be unlocked (with a real key!) to reveal fanciful cakes at the bakery, colorful toys at the toy store, and more hidden treasures. In addition to enhancing fine motor skills, the book teaches vocabulary, colors, and counting—in the most delightful way. SIX DOORS CAN be unlocked (with a real key!) to reveal fanciful cakes at the bakery, colorful toys at the toy store, and more hidden treasures. In addition to enhancing fine motor skills, the book teaches vocabulary, colors, and counting—in the most delightful way. This follow-up to the successful Turn the Key, also a collaboration between Julie Merberg and Lucinda McQueen, offers more fun for tiny fingers and curious minds.